The Green500 List - June 2008
Listed below are the June 2008 The Green500's energy-efficient supercomputers ranked
from 1 to 100.
| Green500 Rank | MFLOPS/W | Site* | Computer* | Total Power (kW) |
| 1 | 488.14 | Fraunhofer ITWM | "BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband | 18.97 |
| 1 | 488.14 | IBM Germany | "BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband | 22.76 |
| 3 | 437.43 | DOE/NNSA/LANL | "BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz | 2345.5 |
| 4 | 371.75 | Science and Technology Facilities Council - Daresbury Laboratory | "Blue Gene/P Solution | 31.5 |
| 4 | 371.75 | Dublin Institute for Advanced Studies/ICHEC | "Blue Gene/P Solution | 31.5 |
| 4 | 371.75 | Argonne National Laboratory | "Blue Gene/P Solution | 31.5 |
| 7 | 371.67 | ASTRON/University Groningen | "Blue Gene/P Solution | 94.5 |
| 7 | 371.67 | RZG/Max-Planck-Gesellschaft MPI/IPP | "Blue Gene/P Solution | 94.5 |
| 7 | 371.67 | IBM - Rochester | "Blue Gene/P Solution | 126 |
| 7 | 371.67 | DOE/Oak Ridge National Laboratory | "Blue Gene/P Solution | 63 |
| 7 | 371.67 | Stony Brook/BNL, New York Center for Computational Sciences | "Blue Gene/P Solution | 63 |
| 12 | 368.89 | EDF R&D | "Blue Gene/P Solution | 252 |
| 13 | 357.38 | Argonne National Laboratory | "Blue Gene/P Solution | 1260 |
| 14 | 357.14 | IDRIS | "Blue Gene/P Solution | 315 |
| 14 | 357.14 | Forschungszentrum Juelich (FZJ) | "Blue Gene/P Solution | 504 |
| 16 | 265.81 | HPC2N - Umea University | "BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, IB, Windows HPC 2008/CentOS | 173.21 |
| 17 | 240.05 | Total Exploration Production | "SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz | 442 |
| 18 | 213.1 | University of Bristol | "xSeries x3450 Cluster Xeon quad core, 2.8 GHz, Infiniband | 135.03 |
| 18 | 213.1 | Universitaet Freiburg | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 45.01 |
| 18 | 213.1 | Universitaet Mannheim | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 45.01 |
| 18 | 213.1 | Universitaet Heidelberg | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 45.01 |
| 18 | 213.1 | Universitaet Karlsruhe | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 45.01 |
| 18 | 213.1 | Universitaet Tuebingen | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 45.01 |
| 24 | 213.09 | HWW/Universitaet Stuttgart | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 137.61 |
| 25 | 213.08 | UniversitŠt Ulm/ UniversitŠt Konstanz | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband | 90.03 |
| 26 | 210.56 | High Energy Accelerator Research Organization /KEK | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | IBM - Almaden Research Center | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | Harvard University | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | IBM Thomas J. Watson Research Center | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | Renaissance Computing Institute (RENCI) | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | University of Canterbury | "eServer Blue Gene Solution | 44.8 |
| 26 | 210.56 | IBM Research | "eServer Blue Gene Solution | 44.8 |
| 33 | 208.31 | High Energy Accelerator Research Organization /KEK | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | High Energy Accelerator Research Organization /KEK | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | Indian Institute of Science | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | IBM Rochester, On Demand Deep Computing Center | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | Ecole Polytechnique Federale de Lausanne | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | EDF R&D | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | Computational Biology Research Center, AIST | "eServer Blue Gene Solution | 89.6 |
| 33 | 208.31 | Forschungszentrum Juelich (FZJ) | "eServer Blue Gene Solution | 179.2 |
| 41 | 206.58 | HLRN at Universitaet Hannover / RRZN | "SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz | 129.2 |
| 41 | 206.58 | HLRN at ZIB/Konrad Zuse-Zentrum fuer Informationstechnik | "SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz | 129.2 |
| 43 | 205.27 | DOE/NNSA/LLNL | "eServer Blue Gene Solution | 2329.6 |
| 44 | 205.06 | UCSD/San Diego Supercomputer Center | "eServer Blue Gene Solution | 67.2 |
| 45 | 204.24 | ASTRON/University Groningen | "eServer Blue Gene Solution | 134.4 |
| 46 | 203.77 | Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations | "eServer Blue Gene Solution | 358.4 |
| 46 | 203.77 | Stony Brook/BNL, New York Center for Computational Sciences | "eServer Blue Gene Solution | 403.2 |
| 46 | 203.77 | IBM Thomas J. Watson Research Center | "eServer Blue Gene Solution | 448 |
| 49 | 203.26 | Exeter University | "SGI Altix ICE 8200, Xeon quad core 2.83 GHz | 55.15 |
| 50 | 199.53 | University of Arizona | "SGI Altix ICE 8200, Xeon quad core 2.83 GHz | 64.4 |
| 51 | 195.46 | Universitaet Aachen/RWTH | "PRIMERGY RX200 S4 Cluster, Quad Core 3Ghz, Infiniband, Windows HPC 2008 | 96.23 |
| 52 | 188.96 | Harvard University - FAS Research Computing | "PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband | 171.52 |
| 53 | 183.58 | Turboinstitute | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband | 191.08 |
| 54 | 179.7 | Near East University | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 51.44 |
| 54 | 179.7 | Siberian National University | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 72.66 |
| 56 | 179.46 | Lockheed | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 78.45 |
| 57 | 179.45 | Lockheed Martin | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 73.63 |
| 58 | 179.44 | University Health Network - University of Toronto | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 54.02 |
| 59 | 179.24 | Ufa State Aviation Technical University | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 85.52 |
| 60 | 170.31 | ENEA | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband | 100.64 |
| 61 | 163.61 | R-Systems | "Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband | 241.92 |
| 62 | 157.27 | SGI | "SGI Altix ICE 8200, 3.0 GHz | 123.1 |
| 63 | 157.24 | Argonne National Laboratory - CNM | "TeamHPC Xeon 5355 Cluster, Quad Xeon 2.66GHz, Infiniband | 63.36 |
| 64 | 156.06 | NanJing Institute of Geophysical Prospecting, PEPRIS, SINOPEC | "BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, Infiniband | 95.54 |
| 65 | 155.71 | Manufacturing Company (I) | "SGI Altix ICE 8200, 3.0 GHz | 61.5 |
| 66 | 155.27 | Maui High-Performance Computing Center (MHPCC) | "PowerEdge 1955, 3.0 GHz, Infiniband | 273 |
| 67 | 152.21 | Texas Advanced Computing Center/Univ. of Texas | "PowerEdge 1955, 2.66 GHz, Infiniband | 307.02 |
| 68 | 150.45 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet | 60.12 |
| 68 | 150.45 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 59.8 |
| 68 | 150.45 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet | 60.12 |
| 68 | 150.45 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet | 60.12 |
| 68 | 150.45 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet | 60.12 |
| 73 | 148.92 | Naval Research Laboratory (NRL) | "SGI Altix ICE 8200, 3.0 GHz | 97.5 |
| 74 | 148.12 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet | 62.7 |
| 74 | 148.12 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet | 62.7 |
| 74 | 148.12 | Geoscience (Q) | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet | 62.7 |
| 74 | 148.12 | Geoscience (Q) | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet | 62.7 |
| 78 | 147.28 | New Mexico Computing Applications Center (NMCAC) | "SGI Altix ICE 8200, Xeon quad core 3.0 GHz | 861.63 |
| 79 | 144.43 | Financial Institution () | "BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet | 64.3 |
| 79 | 144.43 | Merck and Company | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet | 64.3 |
| 81 | 142.21 | Scientific Supercomputing Center Karlsruhe | "Transtec Xeon Cluster | 88.88 |
| 82 | 141.35 | NASA/Ames Research Center/NAS | "SGI Altix ICE 8200, 2.66 GHz | 230.07 |
| 83 | 140.23 | Louisiana State University | "PowerEdge 1955, 2.66 GHz, Infiniband | 75.6 |
| 84 | 138.83 | Idaho National Laboratory | "SGI Altix ICE 8200, 2.66 GHz | 123.1 |
| 85 | 138.45 | Cenaero | "BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, GigEthernet | 67.08 |
| 86 | 137.54 | Financial Institution (P) | "BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet | 67.52 |
| 86 | 137.54 | Financial Institution (P) | "BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet | 67.52 |
| 88 | 137.51 | Stanford University/Biomedical Computational Facility | "PowerEdge 1950, 2.33 GHz, Infiniband | 113.23 |
| 89 | 135.87 | NCSA | "PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4 | 504 |
| 90 | 133.46 | Center for Computational Sciences, University of Tsukuba | "Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband | 572.92 |
| 91 | 131.73 | University of North Carolina | "PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband | 218.4 |
| 92 | 130.95 | Arizona State University High Performance Computing Center | "PowerEdge 1955, Quad Core 2.66 GHz, Infiniband | 92.4 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
| 93 | 129.6 | Geoscience (P) | "BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet | 69.42 |
* Performance data obtained from publicly available sources including TOP500
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